Atlantic Ancula vs thick-lipped risso snail

Ancula gibbosa compared with Rissoa membranacea

Taxonomic Classification

Rank	Atlantic Ancula	thick-lipped risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Gastropoda (Gastropoda)	Gastropoda (Gastropoda)
Order	Nudibranchia (Nudibranchia)	Littorinimorpha (Littorinimorpha)
Family	Goniodorididae	Rissoidae
Genus	Ancula	Rissoa
Species	Ancula gibbosa	Rissoa membranacea

Evolutionary Relationship

Atlantic Ancula and thick-lipped risso snail share a common ancestor at the Class level: Gastropoda. (Gastropoda)

Conservation Status

Atlantic Ancula

LC — Least Concern

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Ancula	thick-lipped risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

thick-lipped risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden